LD1085D2 STMICROELECTRONICS [STMicroelectronics], LD1085D2 Datasheet - Page 3

• Manufacturer Part Number: LD1085D2
• Description: 3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Table 3: Thermal Data
Figure 3: Application Circuits
Table 4: Electrical Characteristics Of LD1085#15 (V
otherwise specified.)
NOTE 1: See short-circuit current curve for available output current at fixed dropout.
Symbol
Symbol
R
R
SVR
∆V
∆V
V
eN
V
I
thj-case
thj-amb
I
S
S
sc
q
O
d
O
O
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Short Circuit Current
Thermal Regulation
Supply Voltage Rejection
RMS Output Noise Voltage
(% of V
Temperature Stability
Long Term Stability
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
O
Parameter
)
I
I
I
I
I
I
I
V
V
V
T
f = 120 Hz, C
V
T
T
Parameter
O
O
O
O
O
O
O
A
A
A
I
I
I
I
= 0 mA T
= 0 to 5AV
= 0 mA V
= 0 mA V
= 0 to 3AT
= 0 to 3A
=3 A
≤ 30V
- V
- V
= 7.5 ± 3V
= 25°C, 30ms pulse
= 25°C f =10Hz to 10KHz
= 125°C 1000Hrs
O
O
= 5V
= 25V
Test Conditions
J
J
I
I
I
O
= 3.1 to 30V (note 1)
= 3.1 to 18V
= 3.1 to 15V
= 25°C
= 25°C
= 25 µF,
I
=4.5V, C
V
O
= V
REF
T
I
O
J
= 25°C
(1 + )
= 3A
I
= C
R
R
2
1
O
=10µF, T
TO-220
1.485
Min.
1.47
50
3.2
0.2
60
3
A
= -40 to 125°C, unless
0.008
0.003
Typ.
1.5
1.5
0.2
0.4
1.3
4.5
0.5
0.5
0.5
72
2
4
5
LD1085 SERIES
D
62.5
2
PAK
3
1.515
Max.
1.53
0.04
1.5
10
20
10
4
4
°C/W
°C/W
%/W
Unit
Unit
mV
mV
mV
mV
mA
dB
%
%
%
V
V
V
A
A
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